2018 Mercedes-Benz CLS-Class: CLS550 · 4.7L · RWD · 9-speed automatic
One configuration of the 2018 Mercedes-Benz CLS-Class as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 4.7L 8-cylinder turbocharged (SIDI) | EPA fueleconomy.gov |
| Displacement | 4.7 L | EPA fueleconomy.gov |
| Cylinders | 8 | EPA fueleconomy.gov |
| Fuel type | Gasoline | EPA fueleconomy.gov |
| Transmission | 9-speed automatic | EPA fueleconomy.gov |
| Drivetrain | RWD | EPA fueleconomy.gov |
| Combined economy | 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| City economy | 18 mpg (13.1 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 26 mpg (9.0 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 12, 2026
Data verified: October 12, 2026